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Determination of cadmiumcontent in honeysuckle by chemical atomizeratomic absorption spectrophotometry

Gong Zhi-xiang

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Abstract

Objective:To establish a chemical atomizeratomic absorption spectrophotometry(AAS)method for determination of cadmium content in honeysuckle.Methods:The contents of cadmium were measured by PE-AA400 atomic absorption spectrophotometer and Mini-chemical Atomizer MCA-201 at the wavelength of 228.8 nm.Entrance slit was 2.7 mm/1.35 mm,lamp current was 4 mA,and the flow of argon was 1.2 L·min-1.Results:A good linear relationship was observed when he cadmium concentration ranged in 0.1~8.0 μg·mL-1,with the calibrator equation A=0.1356C+0.0117(r=0.9998);The recovery(n=9)was 95.5%.Conclusion:The established method has a high sensitivity with no influential background,it is also easy-to-operate and with low cost.

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Objective:To establish a chemical atomizeratomic absorption spectrophotometry(AAS)method for determination of cadmium content in honeysuckle.Methods:The contents of cadmium were measured by PE-AA400 atomic absorption spectrophotometer and Mini-chemical Atomizer MCA-201 at the wavelength of 228.8 nm.Entrance slit was 2.7 mm/1.35 mm,lamp current was 4 mA,and the flow of argon was 1.2 L·min-1.Results:A good linear relationship was observed when he cadmium concentration ranged in 0.1~8.0 μg·mL-1,with the calibrator equation A=0.1356C+0.0117(r=0.9998);The recovery(n=9)was 95.5%.Conclusion:The established method has a high sensitivity with no influential background,it is also easy-to-operate and with low cost.

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Available abstract

Objective:To establish a chemical atomizeratomic absorption spectrophotometry(AAS)method for determination of cadmium content in honeysuckle.Methods:The contents of cadmium were measured by PE-AA400 atomic absorption spectrophotometer and Mini-chemical Atomizer MCA-201 at the wavelength of 228.8 nm.Entrance slit was 2.7 mm/1.35 mm,lamp current was 4 mA,and the flow of argon was 1.2 L·min-1.Results:A good linear relationship was observed when he cadmium concentration ranged in 0.1~8.0 μg·mL-1,with the calibrator equation A=0.1356C+0.0117(r=0.9998);The recovery(n=9)was 95.5%.Conclusion:The established method has a high sensitivity with no influential background,it is also easy-to-operate and with low cost.

Key concepts: Chemistry, Honeysuckle, Cadmium, Analytical Chemistry (journal), Spectrophotometry, Atomic absorption spectroscopy, Absorption (acoustics), Chromatography

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Determination of cadmiumcontent in honeysuckle by chemical atomizeratomic absorption spectrophotometry — Research Paper | ScholarLens